highest batting average before turning 24 with at least 4 seasons played

Terry Forster had the highest batting average by a player younger than 24 when playing 4+ seasons, with an average of .480.

Interpreted as:

highest batting average by a player before turning 24 years old with at least 4 seasons played

	NAME	AVG	SEAS	G	AB	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP	OBP	SLG	OPS
1	Terry Forster T. Forster	.480	5	115	25	2	12	1	0	0	3	1	0	3	1	0	28	13	1	2	0	0	0	.500	.520	1.020
2	Lum Davenport L. Davenport	.381	4	30	21	3	8	1	0	0	2	1	0	11	0		23	9	1	1				.409	.429	.838
3	Joe Jackson J. Jackson	.366	4	110	424	88	155	25	16	5		37	5		29		473	227	46	7				.423	.535	.958
4	Mike Garman M. Garman	.364	4	8	11	0	4	0	0	0	1	0	0	4	0	0	11	4	0	0	0	0	0	.364	.364	.727
5	Ted Williams T. Williams	.352	4	563	2,026	512	714	149	33	118	491	468	12	190	10		2,510	1,283	300	4			42	.476	.633	1.110
6	Stan Musial S. Musial	.344	4	455	1,699	315	584	135	44	36	253	226	9	73	23		1,953	915	215	19			27	.423	.539	.962
7	Arky Vaughan A. Vaughan	.337	4	567	2,127	379	716	119	50	44	351	294	19	105	27		2,479	1,067	213	39				.422	.502	.923
8	Heinie Mueller H. Mueller	.330	4	185	570	80	188	30	16	9	91	45	5	57	7		632	277	55	12				.384	.486	.870
9	Cecil Travis C. Travis	.329	5	476	1,772	258	583	99	28	6	247	121	18	105	10		1,932	756	133	21				.378	.427	.804
10	Jimmie Foxx J. Foxx	.328	7	656	2,165	461	710	126	48	116	499	344	5	281	26		2,568	1,280	290	54				.421	.591	1.012
11	Joe Medwick J. Medwick	.328	4	477	1,955	347	641	138	42	61	342	80	8	208	15		2,052	1,046	241	9				.357	.535	.892
12	Eddie Collins E. Collins	.326	4	420	1,528	235	498	68	36	7		150	19		160		1,760	659	111	63				.393	.431	.824
13	Lou Gehrig L. Gehrig	.325	5	361	1,266	272	411	95	39	54	256	186	4	155	14		1,498	746	188	42				.413	.589	1.002
14	Bill Dickey B. Dickey	.324	4	288	980	143	318	62	15	16	155	47	1	39	11		1,048	458	93	20				.356	.467	.823
15	Ross Youngs R. Youngs	.323	4	411	1,572	240	508	76	32	9		171	15	155	53		1,794	675	117	36				.395	.429	.824
16	Joe Mauer J. Mauer	.322	4	319	1,163	178	374	75	7	28	161	158	3	140	24	4	1,339	547	110	2	13	33	37	.400	.470	.870
17	Mel Ott M. Ott	.321	7	831	2,787	582	895	159	30	153	610	465	16	210	37		3,317	1,573	342	49				.421	.564	.985
18	Don Mattingly D. Mattingly	.320	4	259	928	130	297	64	7	27	146	62	2	68	1	1	1,015	456	98	10	13	13	28	.359	.491	.851
19	Tristram Speaker T. Speaker	.320	4	456	1,700	265	544	83	41	22		164	30		98		1,945	775	146	51				.390	.456	.846
20	Goose Goslin G. Goslin	.320	4	419	1,588	237	508	79	43	25	290	139	16	113	26		1,782	748	147	39				.380	.471	.851
21	Stuffy McInnis S. McInnis	.318	6	625	2,241	318	713	88	38	12		136	17		92		2,498	913	138	104				.362	.407	.769
22	Freddie Lindstrom F. Lindstrom	.316	6	718	2,734	456	864	135	45	49	369	161	9	141	54		2,990	1,236	229	86				.356	.452	.808
23	Hal Trosky Sr. H. Trosky Sr.	.314	4	470	1,930	331	606	124	27	104	426	142	7	180	9		2,083	1,096	255	4				.363	.568	.931
24	Alex Rodriguez A. Rodriguez	.313	6	579	2,330	452	730	154	11	128	411	186	21	429	106	30	2,570	1,290	293	16	17	2	49	.367	.554	.921
25	Hank Aaron H. Aaron	.313	4	579	2,294	388	718	125	35	110	399	171	8	212	8	8	2,509	1,243	270	18	18	26	68	.360	.542	.902